MAP: Here Are The Regions That Might Get Slammed By Hurricane Arthur

Tropical Storm Arthur was upgraded to a Hurricane early Thursday
morning, the
National Weather Service said. Arthur is expected to move
over the North Carolina Outer Banks Thursday night and slam the
East Coast this weekend, which could foil July 4 holiday
plans.

The infographic below, from Wunderground.com,
shows the forecasted track of the storm and what conditions are
needed for a storm to reach hurricane strength.